package operation;

import book.BookList;

public class ExitOperation implements Ioper{
    @Override
    public void work(BookList bookList) {
        System.out.println("-退出系统-");
        int currentSize = bookList.getUsedSize();
        for (int i = 0; i < currentSize; i++) {
            bookList.setBooks(i,null);
        }
        System.exit(0);
    }
}
